/*
 * Copyright (c) 2012 Robert Burrell Donkin robertburrelldonkin.name
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software 
 * and associated documentation files (the "Software"), to deal in the Software without restriction, 
 * including without limitation the rights to use, copy, modify, merge, publish, distribute, 
 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software 
 * is furnished to do so, subject to the following conditions:
 * 
 * The above copyright notice and this permission notice shall be included in all copies or 
 * substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING 
 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, 
 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 * 
 */
package name.robertburrelldonkin.alfie.builders;

import java.util.concurrent.BlockingQueue;
import java.util.concurrent.Future;
import java.util.concurrent.LinkedBlockingDeque;

import name.robertburrelldonkin.alfie.Actor;
import name.robertburrelldonkin.alfie.Conductor;
import name.robertburrelldonkin.alfie.Engine;
import name.robertburrelldonkin.alfie.Message;



public class EngineSinkBuilder<Source, Result> {

	public Conductor build(Conductor conductor, BlockingQueue<Message<Source>> fromSource,
			Actor<Source, Result> actor, Actor<Result, ? extends Object> sinkActor) {
		final BlockingQueue<Message<Future<Result>>> toMediate = new LinkedBlockingDeque<Message<Future<Result>>>();
    	final Engine<Source, Result> engine = new Engine<Source, Result>(fromSource, toMediate, conductor.getExecutor(), actor);
    	conductor.manage(engine);
    	new HoldingSinkBuilder<Result>().build(sinkActor, conductor, toMediate);
		return conductor;
	}
}
